Re: [fltk.general] Abridged summary of fltkgeneral@googlegroups.com - 10 updates in 1 topic

[Jon Cooper]

Lordy, if the OP is a newbie, I'm finished. Their code is better than mine after 14 years of trying ;-0

On Mon, 28 Sept 2026, 01:34 , <fltkg...@googlegroups.com> wrote:

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• Newbie: question about destruction of FLTK ojbects - 10 Updates

Newbie: question about destruction of FLTK ojbects

S ET <nmse...@gmail.com>: Sep 27 03:16AM -0700 Hello,   This is my very first step with FLTK and there are certainly many basic things I'm missing about this library.   My concern here is about object destruction.   The following mockup is ...more

Daniel G. <dani.g...@gmail.com>: Sep 27 04:02AM -0700 Hi,   in C++ if you create objects with the keyword 'new' you need to delete them yourself with 'delete'.   Please learn about RAII and Smart Pointers. Modern concepts which help you ...more

Albrecht Schlosser <fl...@aljus.de>: Sep 27 02:40PM +0200 On 9/27/26 12:16 S ET wrote: > Hello,   > This is my very first step with FLTK and there are certainly many > basic things I'm missing about this library.   Welcome to the FLTK world! ...more

imm <imaca...@gmail.com>: Sep 27 01:47PM +0100 > in C++ if you create objects with the keyword 'new' you need to delete them yourself with 'delete'.   Well... this is "mostly true", and probably if you were doing this on a school course the ...more

Daniel G. <dani.g...@gmail.com>: Sep 27 06:39AM -0700 > Well... this is "mostly true", and probably if you were doing this on a school course the tutor would expect you to delete any object you new'd...   Because it is good practice to take care of ...more

S ET <nmse...@gmail.com>: Sep 27 06:40AM -0700 I got to deleting the main window in a handler, may be it's not the optimal way though:   // ---------------------------------------------------------------------------------------------- ...more

imm <imaca...@gmail.com>: Sep 27 03:05PM +0100 On Sun, 27 Sept 2026 at 14:42, Daniel G. wrote: > a school course the tutor would expect you to delete any object you > new'd...   > Because it is good practice to take care of the things you own ...more

Albrecht Schlosser <fl...@aljus.de>: Sep 27 04:08PM +0200 On 9/27/26 15:40 S ET wrote: > } > // > ----------------------------------------------------------------------------------------------   Unfortunately you didn't write how you established ...more

S ET <nmse...@gmail.com>: Sep 27 07:45AM -0700 > cw->callback(OnMainWindowEvent, ...);   That's exactly it.   > but it doesn't remove your directory, does it?   No indeed. But in the real tiny app I'm working on, it's not *UserInterface* ...more

Albrecht Schlosser <fl...@aljus.de>: Sep 27 05:03PM +0200 On 9/27/26 16:45 S ET wrote: > > cw->callback(OnMainWindowEvent, ...);   > That's exactly it.   OK, but this code needs compiler flag `-fpermissive`, and even with that it still issues a warning. ...more

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